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Understanding the Kempston joystick circuitHere is the schematics: http://www.retroisle.com/sinclair/zxspectrum/Technical/Hardware/KempstonJoystickInterface-Schematics.php Ok, the 74LS138N …
... and /M1, on the expansion port. When those address lines are ... -
Kempston ConfusionSomehow, I just can't get this straight on my mind :-O I guess my neurons are playing tricks on me. ~X( Kemspton interfaces allow joysticks …
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And games with the kempston control method that made use ... -
Opus Discovery - a Christmas taleBack in the day, when the ZX ruled the home computer market here in the UK, it suffered from 1 obvious problem: it lacked a fast mass media save/load…
... , a joystick port, a printer port and an extension port to other ZX ... to the rescue with a Kempston interface and joystick, which was ... bypass the +2's odd port redesign. And that holiday time ... -
Spectrum +2A floating bus portHi As I discovered in the past, Spectrum +2A (and probably +3) do have floating bus port. But it is not shown on all unused ports, only on some po…
... ) do have floating bus port. But it is not shown ... disabled (bit 5 of port 32765 set to 1), ... 0 set) if the port number has the following mask ... mean, starting from port 1, stepping 4, until port 4093
... does not have floating bus port, but it's incorrect.< ... -
Comparison of RS232 port on Interface 1 with that on Spectrum +3/+2AHi everyone, I'm writing a tool (in machine code) to transfer data (for example, an emulator snapshot) between a PC and a real ZX Spectrum, over t…
... with the built-in serial port on my +3. However, with ... />
Looking at the serial-port driver code in the Interface ... +3 code accesses the serial port via the AY-3-8912 ... suggestion for why the +3 port doesn't seem to be ... -
Poorly behaved PC serial port affecting RS232 communications on SpectrumHi everyone, I've been searching through the forum for information on the quirks of linking a ZX Spectrum RS232 serial port (e.g. ZX Interface 1 o…
... a ZX Spectrum RS232 serial port (e.g. ZX Interface 1 ... or even the built-in port on the later (128k) models ... serial ports - a built-in port and a USB serial adaptor ... . However, the built-in serial port is troublesome in a couple ... -
Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…
... have been listening on that port. My gut feeling is that ... output a value on said port number. Further examination of the ... from 1984 that listened on port $9f or could it be ... -
Multi-platform hits that lack a Speccy port?Title says it all, really: Do you know any games that were a great hit, ported to several (or even many) platforms, but -for whatever reason- didn…
... Spectrum? Or where existing Spectrum port(s) are so bad compared ... -
RetroPie lr_fuse Kempston as default?Hi! The lr_fuse seem to have the Cursor interface as default. How can I change it (permantly if possible) to Kempston without interfering with the…
Hi!
The lr_fuse seem to have the Cursor interface as default. How can I change it (permantly if possible) to Kempston without interfering with the other retropie emulators?
Thanx! -
Empire - port of trs80 basic programBack when I was a little kid, I had the opportunity to play around with a trs80 model 1 with level 2 basic. One of the games I often played was call…
... basic source and decided to port it over in C. Basic ... -
Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…
... scart cables
• Built in kempston joystick port
• Built in IDE ...
• Fully compatible card extension port
• Full plate through design ... -
MSX joystick to kempston interface?Although I have tried and got one MSX joystick working with a kempston interface, after looking at the pin-out of the MSX Joystick connector and the …
... MSX joystick working with a kempston interface, after looking at the ... MSX Joystick connector and the kempston connector I started to wonder ... -
Noob's guide to joysticksWhy on earth would I be asking this *now*, I hear you all scream? The answer... curiosity. Back in the day all I ever had was a +2 and Sinclair's …
... numbers 6-0 on port 1 and 1-5 ... on port 2. I also remember the port said "use ... I find out how the Kempston joystick interface worked - with ... search here shows something about "port 127". Does this mean ... Atari joystick into the Sinclair port on a +2)?
... -
Control methods to support in new game (kempston, sinclair, redefinable keys etc)Hi guys, I've been busy lately working on porting a game from the C64 to the Spectrum, and I'm at the point where the main game is working pretty …
... there anything other than keys, kempston joystick and sinclair joystick I ... attempt to read from a Kempston interface that isn't present ... -
Arcade DERBY port....Pleeease ! [img]http://www.ukvac.com/forum/uploads/212/derby.jpg[/img] My spectrum did a fair job at recreating my trips to the seaside arcade …
... is one thrill that a port would never be able to ... -
Kempston option spazzing outHi again I have a speccy 48k issue 6a. With it I have a Datel Kepston interface and a konix speedking joystick, all of them in my posession since…
... have stopped working with the kempston option, once again showing different ... -
Using a Mayflash MD USB Adapter with Spectaculator on Windows 10Using a Mayflash MD USB Adapter with Spectaculator on Windows 10 First, plug the Mayflash MD USB Adapter into a USB port and let Windows do it's t…
... USB Adapter into a USB port and let Windows do it ... joystick into the left hand port on the Mayflash MD USB ... 33103272852_2cc5eb121c_o.png[/img]
017 Kempston Joystick Test program part 1 ... .png[/img]
018 Kempston Joystick Test program part 2 ... -
Kempston interface schematic: wrong IC?Hi! I'm trying to learn about the inner workings of the speccy, and I thought that building a kemspton interface would help me learn about things lik…
... , and A5 low as decoding port 31. So a low output ... -
Fastest way of reading from EAR portI'm trying to work out the fastest way of reading data from the EAR port and assembling the bits into a byte. I came up with this code: IN A, (C) ; …
... reading data from the EAR port and assembling the bits into ... :
IN A, (C) ; read port FFFE, 12 cycles
CP ... and 7 of the ULA port are always 1, so that ... -
West Bank only running with Kempston Joystick on ZX SpinI can get West Bank [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0005664"]worldofspectrum.org/infoseekid.cgi?id=0005664[/url] only to run w…
... [/url] only to run with Kempston working under ZX Spin on ... get Westbank to work with Kempston-Joystick... -
ZX Diagnostics v0.35 ReleasedHi all, I'm pleased to announce the release of zx-diagnostics v0.35, downloadable from [url="https://github.com/brendanalford/zx-diagnostics/relea…
... soak test mode
- Allow Kempston/Sinclair joystick to select testcard ... :
- Fix issue with Timex port conflicts during ULA test
The dicMMC Future interface problemI bought a divMMC Future interface, which allows you to load and save Spectrum games in seconds, and like the divMMC Enjoy!, it does that fine. [i]Ho…
... the divMMC Future has a Kempston joystick port on it, could it ...A problem with the divMMC Future interfaceHere's my second attempt at posting this: I bought a divMMC Future, which allows you to load and save Spectrum games in seconds. It does this very…
... . The divMMC Future has a kempston joystick port on it, and I ...Can Arkanoid be played using a Kempston joystick?It says so in the instructions but annoyingly without saying how. I load it up and no matter what button I start the game with, it won't work with a …
... won't work with a kempston joystick. I see psj3809 posted ...New Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike DaillyNew Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike Dailly (Found on SpecNext Facebook-Page) Info and Download (=klick "CSpe…
... debugger
Sprite shape port has changed (as per ... www.specnext.com/tbblue-io-port-system/
https:// ... Layer 2 access
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port $123b
bit 0 = WRITE ... working
Kempston mouse (to be verified)
Power Play Joystick InterfacePower Play Joystick Interface for the ZX Spectrum. This is a Kempston compatible interface. Address decoding Any IO address where A5 is low... …
... Spectrum.
This is a Kempston compatible interface.
Address ... A5 is low...
Note port will respond to a write ... be high.
Normally use port 1F hex = 31 dec = 00011111 ...Chibi Akumas - Spectrum Port Planned!I'm planning to port my CPC game, Chibi Akumas to the ZX Spectrum! I will be targeting the 128k disk based systems - as this will be the best (and mo…
I'm planning to port my CPC game, Chibi Akumas ... to be simultaneously trying to port to the game the MSX2 ...Games that deserved a better port/conversionRecently I was watching (again) some classic games from other machines. Thinking about how to resolve graphical decisions on the speccy (colours, des…
... could have had a better port.
For example, Turrican ...Controllers... I'M A CONTROL FREAK!...to paraphrase the Volvo advert from about 20 years ago, for some variant of the 850/V70, if I remember rightly. Anyway, I wonder if it's possib…
... , having missed the boat with Kempston's interface back in the ... use it on the Sinclair port of the +2-and-up ...
